76871 has 2 divisors, whose sum is σ = 76872. Its totient is φ = 76870.

The previous prime is 76847. The next prime is 76873. The reversal of 76871 is 17867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76871 is a prime.

It is a Sophie Germain prime.

Together with 76873, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38435 + 38436.

It is an arithmetic number, because the mean of its divisors is an integer number (38436).

2⁷⁶⁸⁷¹ is an apocalyptic number.

76871 is a deficient number, since it is larger than the sum of its proper divisors (1).

76871 is an equidigital number, since it uses as much as digits as its factorization.

76871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 29.

The square root of 76871 is about 277.2561992093. The cubic root of 76871 is about 42.5194374757.

The spelling of 76871 in words is "seventy-six thousand, eight hundred seventy-one".